THIN FILM TRANSISTOR SUBSTRATE, DISPLAY APPARATUS, METHOD FOR MANUFACTURING THE THIN FILM TRANSISTOR SUBSTRATE, AND METHOD FOR MANUFACTURING THE DISPLAY APPARATUS
First Claim
Patent Images
1. A thin film transistor substrate, comprising:
- a substrate;
an anodized aluminum layer on the substrate, the anodized aluminum layer including a plurality of holes that extend in a direction perpendicular to the substrate and penetrate entirely through the anodized aluminum layer to expose an upper surface of a layer beneath the anodized aluminum layer;
a polycrystalline silicon layer covering the anodized aluminum layer; and
an insulating layer covering the polycrystalline silicon layer.
1 Assignment
0 Petitions
Accused Products
Abstract
A thin film transistor substrate includes a substrate, an anodized aluminum layer on the substrate, a polycrystalline silicon layer covering the anodized aluminum layer, and an insulating layer covering the polycrystalline silicon layer.
24 Citations
18 Claims
-
1. A thin film transistor substrate, comprising:
-
a substrate; an anodized aluminum layer on the substrate, the anodized aluminum layer including a plurality of holes that extend in a direction perpendicular to the substrate and penetrate entirely through the anodized aluminum layer to expose an upper surface of a layer beneath the anodized aluminum layer; a polycrystalline silicon layer covering the anodized aluminum layer; and an insulating layer covering the polycrystalline silicon layer. - View Dependent Claims (3, 4, 5, 6, 7)
-
-
2. (canceled)
-
8. A display apparatus, comprising:
-
a substrate; an anodized aluminum layer on the substrate, the anodized aluminum layer including a plurality of holes that extend in a direction perpendicular to the substrate and penetrate entirely through the anodized aluminum layer to expose an upper surface of a layer beneath the anodized aluminum layer; a polycrystalline silicon layer covering the anodized aluminum layer; an insulating layer covering the polycrystalline silicon layer, the insulating layer including a plurality of through holes to expose the polycrystalline silicon layer; a source electrode and a drain electrode contacting the polycrystalline silicon layer via the through holes; and a pixel electrode electrically connected to any one of the source electrode and the drain electrode. - View Dependent Claims (10, 11, 12, 13)
-
-
9. (canceled)
-
14. A method for manufacturing a thin film transistor substrate, the method comprising:
-
forming an aluminum layer on a substrate; forming an anodized aluminum layer by anodizing the aluminum layer such that a plurality of holes extending in a direction perpendicular to the substrate and penetrating entirely through the anodized aluminum layer to expose an upper surface of a layer beneath the anodized aluminum layer are formed in the anodized aluminum layer; forming an amorphous silicon layer to cover the anodized aluminum layer; and forming a polycrystalline silicon layer by crystallizing the amorphous silicon layer. - View Dependent Claims (16, 17, 18)
-
-
15. (canceled)
Specification